00473nam a22001577a 4500003000400000008004100004020001800045082001800063100001500081245006000096260004600156300001000202650003400212650004100246650002800287OSt220311b           ||||| |||| 00| 0 eng d  a9789327276541  a630.715bR26E  aRay, G. L.  aExtension Communication and Management / cby G. L. Ray  a.- Ludhianab: Kalyani Publishersc, 2017  a382p.  aTechnology (Applied Sciences)  aAgriculture and Related Technologies  aExtension Communication